Vacuum cleaner



FIG. 1 is a top and front perspective view of a vacuum cleaner, showingmy new design;

FIG. 2 is a side elevational view thereof, the opposite side elevationalview being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof; and,

FIG. 6 is an end elevational view thereof, opposite that shown in FIG.5.

The ornamental design for a vacuum cleaner, as shown and described.